RouteHeathrow Airport Link Line
SectionHeathrow Tunnel Jn to Heathrow Airport Terminal 5
RemarksBritish Airports Authority (BAA) owned
MapsHLL2  •  Google  •  Airport Jn , Heathrow Airport
DetailsTrack Curvature  •  Elevation Profile  •  Geology
Extent19.861km to 26.307km  •  4.006 miles  •  6.447 km
Unitsℹ️ Kilometre-based ELR
Measured6.456 km
GroupingHLL , HLL1 , HLL2
NeighboursHLL , HLL1
NR Region🟧  Wales & Western
LOR🟠  GW180  Heathrow Airport Jn to Heathrow Terminals 4 and 5
TRACKmaps🟠  Western & Wales
 Additional Information 

 

Administrative Area

MileageCountryAdministrative Area
19.861km to 26.161kmEnglandHillingdon
26.162km to 26.307kmEnglandSurrey

 

Nearest Place and District

MileageNearest PlaceDistrict / CountyDistance
19.861km to 20.247kmWest DraytonGreater London - Hillingdon1112m - 1179m
20.248km to 22.419kmSipsonGreater London - Hillingdon340m - 1188m
22.420km to 23.043kmHarlingtonGreater London - Hillingdon1207m - 1708m
23.044km to 23.667kmSipsonGreater London - Hillingdon1726m - 2068m
23.667km to 24.149kmWest BedfontSurrey - Spelthorne1772m - 2070m
24.150km to 25.075kmStanwellSurrey - Spelthorne1483m - 1757m
25.076km to 26.307kmLongfordGreater London - Hillingdon1001m - 1533m

 

Positional Accuracy Statistics

PropertyCountMinMaxMeanMedianStd Dev
Linear Accuracy14-2m5m1m0m2m
Normalised Quarter Miles14438y445y441y440y2y
Calibration Segment Length148y699y504y547y161y